> > But I'd also recommend running relays and new, bigger wires to all
> > the lights for the optimum performance for any lighting system.
>
> I didn't find this to be necessary.
> I measured the voltage drop through the headlight switch and stock wiring
> and found it to be insignificant on my 90 Westy... perhaps that is not the
> case with older Vanagons that have created more corrosion over the years...

        My 87 loses a volt or so (down  to about 12 volts even)
though the headlight on/off switch and the column switches. That
was measuring voltage at the M2 post...

dave